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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/gl/gl_surface_egl.h" | 5 #include "ui/gl/gl_surface_egl.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <map> | 10 #include <map> |
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267 } | 267 } |
268 if (*num_configs == 0) { | 268 if (*num_configs == 0) { |
269 return false; | 269 return false; |
270 } | 270 } |
271 return true; | 271 return true; |
272 } | 272 } |
273 | 273 |
274 EGLConfig ChooseConfig(GLSurfaceFormat format) { | 274 EGLConfig ChooseConfig(GLSurfaceFormat format) { |
275 // Choose an EGL configuration. | 275 // Choose an EGL configuration. |
276 // On X this is only used for PBuffer surfaces. | 276 // On X this is only used for PBuffer surfaces. |
| 277 |
277 std::vector<EGLint> renderable_types; | 278 std::vector<EGLint> renderable_types; |
278 if (!base::CommandLine::ForCurrentProcess()->HasSwitch( | 279 if (!base::CommandLine::ForCurrentProcess()->HasSwitch( |
279 switches::kDisableES3GLContext)) { | 280 switches::kDisableES3GLContext)) { |
280 renderable_types.push_back(EGL_OPENGL_ES3_BIT); | 281 renderable_types.push_back(EGL_OPENGL_ES3_BIT); |
281 } | 282 } |
282 renderable_types.push_back(EGL_OPENGL_ES2_BIT); | 283 renderable_types.push_back(EGL_OPENGL_ES2_BIT); |
283 | 284 |
284 EGLint buffer_size = format.GetBufferSize(); | 285 EGLint buffer_size = format.GetBufferSize(); |
285 EGLint alpha_size = 8; | 286 EGLint alpha_size = 8; |
286 bool want_rgb565 = buffer_size == 16; | 287 bool want_rgb565 = buffer_size == 16; |
| 288 EGLint depth_size = format.GetDepthBits(); |
| 289 EGLint stencil_size = format.GetStencilBits(); |
| 290 EGLint samples = format.GetSamples(); |
287 | 291 |
288 #if defined(USE_X11) && !defined(OS_CHROMEOS) | 292 #if defined(USE_X11) && !defined(OS_CHROMEOS) |
289 // If we're using ANGLE_NULL, we may not have a display, in which case we | 293 // If we're using ANGLE_NULL, we may not have a display, in which case we |
290 // can't use XVisualManager. | 294 // can't use XVisualManager. |
291 if (g_native_display) { | 295 if (g_native_display) { |
292 ui::XVisualManager::GetInstance()->ChooseVisualForWindow( | 296 ui::XVisualManager::GetInstance()->ChooseVisualForWindow( |
293 true, nullptr, &buffer_size, nullptr, nullptr); | 297 true, nullptr, &buffer_size, nullptr, nullptr); |
294 alpha_size = buffer_size == 32 ? 8 : 0; | 298 alpha_size = buffer_size == 32 ? 8 : 0; |
295 } | 299 } |
296 #endif | 300 #endif |
297 | 301 |
298 EGLint surface_type = (format.IsSurfaceless() | 302 EGLint surface_type = (format.IsSurfaceless() |
299 ? EGL_DONT_CARE | 303 ? EGL_DONT_CARE |
300 : EGL_WINDOW_BIT | EGL_PBUFFER_BIT); | 304 : EGL_WINDOW_BIT | EGL_PBUFFER_BIT); |
301 | 305 |
302 for (auto renderable_type : renderable_types) { | 306 for (auto renderable_type : renderable_types) { |
303 EGLint config_attribs_8888[] = {EGL_BUFFER_SIZE, | 307 EGLint config_attribs_8888[] = {EGL_BUFFER_SIZE, |
304 buffer_size, | 308 buffer_size, |
305 EGL_ALPHA_SIZE, | 309 EGL_ALPHA_SIZE, |
306 alpha_size, | 310 alpha_size, |
307 EGL_BLUE_SIZE, | 311 EGL_BLUE_SIZE, |
308 8, | 312 8, |
309 EGL_GREEN_SIZE, | 313 EGL_GREEN_SIZE, |
310 8, | 314 8, |
311 EGL_RED_SIZE, | 315 EGL_RED_SIZE, |
312 8, | 316 8, |
| 317 EGL_SAMPLES, |
| 318 samples, |
| 319 EGL_DEPTH_SIZE, |
| 320 depth_size, |
| 321 EGL_STENCIL_SIZE, |
| 322 stencil_size, |
313 EGL_RENDERABLE_TYPE, | 323 EGL_RENDERABLE_TYPE, |
314 renderable_type, | 324 renderable_type, |
315 EGL_SURFACE_TYPE, | 325 EGL_SURFACE_TYPE, |
316 surface_type, | 326 surface_type, |
317 EGL_NONE}; | 327 EGL_NONE}; |
318 | 328 |
319 EGLint config_attribs_565[] = {EGL_BUFFER_SIZE, | 329 EGLint config_attribs_565[] = {EGL_BUFFER_SIZE, |
320 16, | 330 16, |
321 EGL_BLUE_SIZE, | 331 EGL_BLUE_SIZE, |
322 5, | 332 5, |
323 EGL_GREEN_SIZE, | 333 EGL_GREEN_SIZE, |
324 6, | 334 6, |
325 EGL_RED_SIZE, | 335 EGL_RED_SIZE, |
326 5, | 336 5, |
| 337 EGL_SAMPLES, |
| 338 samples, |
| 339 EGL_DEPTH_SIZE, |
| 340 depth_size, |
| 341 EGL_STENCIL_SIZE, |
| 342 stencil_size, |
327 EGL_RENDERABLE_TYPE, | 343 EGL_RENDERABLE_TYPE, |
328 renderable_type, | 344 renderable_type, |
329 EGL_SURFACE_TYPE, | 345 EGL_SURFACE_TYPE, |
330 surface_type, | 346 surface_type, |
331 EGL_NONE}; | 347 EGL_NONE}; |
332 | 348 |
333 EGLint* choose_attributes = config_attribs_8888; | 349 EGLint* choose_attributes = config_attribs_8888; |
334 if (want_rgb565) { | 350 if (want_rgb565) { |
335 choose_attributes = config_attribs_565; | 351 choose_attributes = config_attribs_565; |
336 } | 352 } |
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1229 } | 1245 } |
1230 | 1246 |
1231 void* SurfacelessEGL::GetShareHandle() { | 1247 void* SurfacelessEGL::GetShareHandle() { |
1232 return NULL; | 1248 return NULL; |
1233 } | 1249 } |
1234 | 1250 |
1235 SurfacelessEGL::~SurfacelessEGL() { | 1251 SurfacelessEGL::~SurfacelessEGL() { |
1236 } | 1252 } |
1237 | 1253 |
1238 } // namespace gl | 1254 } // namespace gl |
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